11627353957 has 2 divisors, whose sum is σ = 11627353958. Its totient is φ = 11627353956.

The previous prime is 11627353891. The next prime is 11627353987. The reversal of 11627353957 is 75935372611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11409230596 + 218123361 = 106814^2 + 14769^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11627353957 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11627353957.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11627353987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5813676978 + 5813676979.

It is an arithmetic number, because the mean of its divisors is an integer number (5813676979).

Almost surely, 2^11627353957 is an apocalyptic number.

It is an amenable number.

11627353957 is a deficient number, since it is larger than the sum of its proper divisors (1).

11627353957 is an equidigital number, since it uses as much as digits as its factorization.

11627353957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1190700, while the sum is 49.

The spelling of 11627353957 in words is "eleven billion, six hundred twenty-seven million, three hundred fifty-three thousand, nine hundred fifty-seven".